public void when_put_message()
        {
            var bytes = Encoding.UTF8.GetBytes("test messages");

            var queueWriter = new FileQueueWriter(new DirectoryInfo(_path), "test");
            queueWriter.PutMessage(bytes);

            var files = new DirectoryInfo(_path).GetFiles();

            Assert.AreEqual(1, files.Length);
            Assert.AreEqual("test messages", File.ReadAllText(files[0].FullName));
        }